Transaction not yet indexed

AMbC8PKExZTiLMcbqr2fmqT29P43HkJWJajDcABDUnhYFa7WAhzDuctcp7E7VoARMpP1rbJRvesbhJZbZCJrBP6

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