An approved allowance of NFT transfers for a spender.
The token that the allowance pertains to
The account ID of the hbar owner (ie. the grantor of the allowance)
The account ID of the spender of the hbar allowance
The list of serial numbers that the spender is permitted to transfer
If true, the spender has access to all of the account owner's NFT instances (currently **** owned and any in the future). If this field is set to true the serialNumbers field should be empty.
The account ID of the spender who is granted approvedForAll allowance and granting approval on an NFT serial to another spender.