Transaction not yet indexed

MejWPK9nirAqJu2cyms5xf7dNdKxGDJVkjfargWdSQW7GooMQeCLfhrTrddJypmjDXTyebXVLdVzCCx6b9VEmmK

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