Transaction not yet indexed

AMKTMBLSFgFKMWXqF9223BTpmEdJoJpMXKwRQqM5w84qGuKXPGkAwQ5ZbGFMgvFFhFCVVd15dB46AgkJdZUDj1D

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