Transaction not yet indexed

Am8bCTXdKx8pjjpasqjWemWVLxBHkmcoKmnZjdRhuXfqFUoPHm3RkDRxY38smnGuUtp2eW8iK75M8dqF8D9ZUoD

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