Transaction not yet indexed

53nnDacJKLKri6RTCfv95imf2cGNMUvFCFaTyo3JNRyhBf9qtMshYALPdSXdPVAVkLsxDp6AkxzLqq6FWeB1Vfdm

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