Transaction not yet indexed

52L6PjMZVkaTLHMqd91LP9KwjYDa9rgrtWuEbErAHe3MWjmZ42MuwvvfzDFmcuz8ESuVvLmmfGNU2AeZX42GxRk6

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