Transaction not yet indexed

2188zGy5b75FLmn22EeoD5VLmkLevXAaP6UDAv2JT97MEtesaB2evEY1tWMncNtxqaMfSMfBSfy4nxVcMqoT6zDk

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