Transaction not yet indexed

AMmayUChGwvAMN8PrjSaqPos5ZxdYzNy2z4FTzzEbyGeEPnphdBkbmRsrGNScL3CS6h3EUVRZfTpaZBKXsK6WL2

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