Transaction not yet indexed

2RRC521uTC93QPwk1ecfSa7toJNBuJv7nnpCfbMm6cdG3gDE2gVbnLtqigyo9QScSeCVrPGPgDDz6CC4viXmVmKZ

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