Transaction not yet indexed

52NEMqtYcqv5AwcRGMsK7np3QjnGDMSZUvwccR3UM7yBNMyEAMNJdtHdtRGkKpMyBQRbJvdiXFMwni9YSGuDsUq6

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