{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171052",
    "entityType": "User",
    "nonce": "0xf4c10c35a5e510a4b79ee67529b2bc520addec5eecfc5a09db7207c89bf4caea",
    "signature": "0x224733443713d9f801c23a3611ed291810f3ceb126551a76b39d0fd2b6146c9636754f5da134b5b33f5dc747c8077678afe322896875cc8ec5b22534de56f6c51b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}