Transaction not yet indexed

55U6ustbhbWJTnXhDnP2NeRztUqBz7P63FuuMmAHVd7U8YziUWTPcdfLCtp1toZ9bGFDiwcj3s25bEcwBmxvY1sm

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