eth_getUncleByBlockNumberAndIndex

nonce: DATA, 8 Bytes - hash of the generated proof-of-work. null when its pending block.

sha3Uncles: DATA, 32 Bytes - SHA3 of the uncles data in the block.

logsBloom: DATA, 256 Bytes - the bloom filter for the logs of the block. null when its pending block.

transactionsRoot: DATA, 32 Bytes - the root of the transaction trie of the block.

stateRoot: DATA, 32 Bytes - the root of the final state trie of the block.

receiptsRoot: DATA, 32 Bytes - the root of the receipts trie of the block.

miner: DATA, 20 Bytes - the address of the beneficiary to whom the mining rewards were given.

difficulty: QUANTITY - integer of the difficulty for this block.

totalDifficulty: QUANTITY - integer of the total difficulty of the chain until this block.

extraData: DATA - the "extra data" field of this block.

size: QUANTITY - integer the size of this block in bytes.

gasLimit: QUANTITY - the maximum gas allowed in this block.

gasUsed: QUANTITY - the total used gas by all transactions in this block.

timestamp: QUANTITY - the unix timestamp for when the block was collated.

transactions: Array - Array of transaction objects, or 32 Bytes transaction hashes depending on the last given parameter.

uncles: Array - Array of uncle hashes.