Transaction not yet indexed

5MMtgcgDRdrJSFpMBx2VB2w2VRvo96bTZXmPHmqhgESo4wxREmmjKiT6qaTGH7gwgz3cWwksjBoQ1gAB3CJxb2u1

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