Transaction not yet indexed

53Ex6AENCVUFpD5rf1he19NAUbxZidjrGwzMmSGCDCvN2eE4wDSbkWmW8rsa49FErLoCrdZLXAtQ8Koz4o6wsrSn

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