Transaction not yet indexed

51uESp6HdLdzLAQ2HVFWUiquigjiSSxrZi7c4pvS6CTC7iXeDPWR5X3bDUg8e37ZbwW4kbFBBfZdbuq5Udf52rx2

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