{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5218",
    "entityType": "User",
    "nonce": "0x766d0a8346302890d2f9563fed043111f25faf2ce834f7af2f201403f6816ea7",
    "signature": "0x9701da1f8744d982d86f568f52fd2349ee39078f713d46b9461f727267db593b622f2b88e4252b2f4f984fadb63abf747c801674f286eb5604d55fd82ed220511b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}