Transaction not yet indexed

Am5Gmp1CZ4QHnBqw2HQXM8Zyb9jrcjHo5CEW1UWQxdsNEH2aUDt4RViinAiC5hqVbqr2iPyY5c2xaQat3unTP3Z

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