Transaction not yet indexed

55C21WdAo66UzjT2sUsGkWCsR72Ns9LXfprhaviHfJbfccvXQDkFTL8JqGZJS42cZA9aY9wPCDnZTHSCv6pWwMu9

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