{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0x7155aede8e558668300137f91016126df53bccdab37568f2147127f5a20e1829",
    "signature": "0x7d4049c88b053e661d6edbc0c7bd23cad8c99cd2604ff9821987f2c241f7fe757e422c89c65dfcfe94de5bf7e20a2a2773b3be42592e7495fd7d69a3d95ad5fd1c",
    "signer": "0xd37aECD27A0b8609198c3884FcE629Fe2de5C45b",
    "userId": "196503922"
  }
}