Transaction not yet indexed

52SJkMQgQi7D2PVE6tcb3RFYErFtUbVyJDYmb9rbnqjWdbg3feu5ag9st774Le8dprw3bLPEQS7ZjP2wY6LcKY18

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