Transaction not yet indexed

53c18HMKcrSgDtyfPowPEC2JSu2R8MDBvi4uK7uk31fmcuVY5qEoLWQE7S79GCYMUPBXKgffHckrAeQL1ju8qh32

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