Transaction not yet indexed

t12Mm4E29shG6t1tCnKmeEmVf7MrZnZ8kUY7oPQjYjmW1amtB2AeobW6DK7NQRZJZXHqxyKbctBHHhfG6qhV59E

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.