Transaction not yet indexed

66iwcCZ1bKqfCbaYuByEbPd9PMxCeE4jvcrchHR7zTspsqQZk4fKnQNazd3nwPLzdavvhVXwf1vZD3twLPCd6Erk

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