{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0xb523785084ec5bf0c81bd57afcffaf336edbe5614867d14632301f3fa021d953",
    "signature": "0x23a74e695db175e4d5a50280e025d638b07ba61f695804c21ca5a40f15c1542754665a2f9d35477c5b6d42a7390c3c1f336ecf7383269cc10bad5e2c42ef9bdc1c",
    "signer": "0x79a263bD270D6d7693c48EcF0CAF73ce68b0929B",
    "userId": "992941006"
  }
}