{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xcdde19db450c5682a26ec9bf5ef96e626c1a08043070814c19a6824cfd48bee8",
    "signature": "0x61e57b880fdf9ad0e8e27efb7a2e0177d36c25f76b01e3175ad95748e0c6fa24114696181487053a5fe496a9f259080c38dc98b74776d9e5222883b35de7bfa91c",
    "signer": "0x0C0f157FF22011e4cF119DBdBFb096561c595093",
    "userId": "184600971"
  }
}