Transaction not yet indexed

668vaVsisHXtjaADu5SRyyiLdP4kLsUhiCAB5ekZAPaBfe4jATDZ2RRHnP2oCm8f7N5QHEKujkjdJ1h5ZWQbMaj5

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