{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x832a8025d92ba45116896d926f0d89e3f61334d028d1a8c131d4ae246c76db2c",
    "signature": "0xc2e837c8037b8fc2705a9fc0acc3e47ebc58be1123ffcbce4d7d3690a480946e7504a460a38568c0fb8dead337d4b0d6d9e478c5a4792beef33e44e3d6141d201b",
    "signer": "0x5dFD14e268be94BDa3aCe425a21AC4622c50ba41",
    "userId": "168481369"
  }
}