Transaction not yet indexed

52Un2WkPrbph6KcpFBMEsRvZxefefh9mUFSjxHVsc6aPNPCSUML3d4ar7bdJ6FjHxnXYCtonwk6JorT7J18YCksR

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