{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1258",
    "entityType": "User",
    "nonce": "0x19035a98a5a73731b474f9d8f9681d87435c5ed6c466bb85e8872449f29edbce",
    "signature": "0xfbadf7f7ccc49f53082468e9969752cc2489e43aff750fd657b214d80cfea94524989da08a125d6df406a93fb8d0eb2e67113107dce0bff0b6656155548849ec1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}