Transaction not yet indexed

51c2CU8WDwphZfyrtkrZs3YQjyVgTFujAa7Hrmu3VivP8hzbKKmSyZFBDa8g1uSHnWhLLoRBLWhh6mcUz64c8dES

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