Transaction not yet indexed

MYMNYJQr1jnmecDMQDSUiC5JvbjWSaRHhkqQptvC2SWTRf2L77VcEwi4QxvzJo4nWed6ofSo1EX9teUijrcy5J7

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