{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0xeace7ade56dddc49f5b2f1d80276df2cd2974b17cc3ade4b703167d25b2c017e",
    "signature": "0xf4e1c494976258f6ed3a3adaab12b86f7782cde1ca8c7758674bb1584fdb12fd36abca54e4b7bc1cb40b233aee22f3f335830391ebd6387c77f1fac9930db5e11c",
    "signer": "0xD39864800E11DBC0263f36faa0767444974a3eC9",
    "userId": "392144053"
  }
}