Transaction not yet indexed

55dMRvsqmzKtrpW4MYApt9FSq62ECDuXHiqv49vknPkAc2m6qk4Ak9mBQj9HiuzMKSuSfMHkhQGyNtzLUEHKKHK7

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