Transaction not yet indexed

pMMbPjTRJZXN2a4S93Dpq5PZBn7M6xPoJSCk1sjZkAtBZBZL2RB1kyvJHom7w6ZtGp9zdUPJzLWTkUQk3KPyuiE

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