Transaction not yet indexed

2521jvoe4bhdkJgffAy4k3kkWTwQ4Kb9PStRYaCoddr2cRLrjMT4CQWNqDhSiotTCuutnHrRRWPZtvNGsP14MrBA

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