{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x4510c9e8b5158c298ad8c079a0514c549ab1463c90c8606088020c7d674923ab",
    "signature": "0x01a8b66ddab58e7ceb04fc74b93e79705d3b94a70e7e43746b8bc294f4aab6c843e3d7e16de9b1cf23646a88c22aa67c28bb8c7741cb1393435de60761c34f9c1b",
    "signer": "0xadD9aAe28916AFc759A5bc980A1dEF55F4e60C3F",
    "userId": "366737744"
  }
}