{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x88e0f15e10b633e7af3dd8532bfc6924947e1b6ec3009157d210e8a6c8f6574c",
    "signature": "0xa7b3b881580fa438c208904edd70da980bad24fbcc7bfab28923f2334f6de62e7a69564be2f3cc3a25ce631632599c6793dd7f5f11cfb97a558c693006ff3b0c1c",
    "signer": "0xAfA4578754B46b5012c9712d702C897195Ddb740",
    "userId": "145034668"
  }
}