{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x0261a73c855e46ff45e2ae637b541926712fe13721b0d6c14f14329b900442af",
    "signature": "0xe8a70a22fde9da7df1464e7e9a07e886a38ed3bd9cf4e45f412203be818d535a11070a7704560da88c14e661afdcea8ff0a1b8708aa8feaf0c250dfb3ce012e61c",
    "signer": "0xa9c3a34c969770CF442c7295861fC8806D92458A",
    "userId": "954741294"
  }
}