{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x179dd80b58b7d668e30984c9beb081f38363d339af352b07b2395ff416e03343",
    "signature": "0x9956289539528d34121dbb70f06e9897b46b4334763d2da1f6a2a57b69e124c87bd0eb690834215ced0449a1b7bc979fa977b49a151a3036043aa1fb60d1d71d1b",
    "signer": "0x5eA6a5622D25bE411Ab13d364CACAa1072bE17da",
    "userId": "326325523"
  }
}