Transaction not yet indexed

53iExLH5KNBr1isdLs1xb2jNidLLUc5XqAxsaW6sUPqx1dVFxnDHr4ARQLfW4yoVTiXyx2SsWGY3CCB1Kgena2h1

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