Transaction not yet indexed

521trTphnwLLQjkatxRF6nUtJoJ36KM1hjPCZuvMB7VYRS84KmadmydrtzCPex5RcQVCMeNdYiuLb1Uy8i5H2quL

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