{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1318191",
    "entityType": "User",
    "nonce": "0x56218c5387cbd55082fd6b51761bac680ffb643de1d6608ca89c1ccb775ac071",
    "signature": "0x5ac630ac3116f13cea803316ea659fa1c7217459e4ee9b5e632dc41b7dbf6f805214e7463158a7a50c118e053d9f3677fda5cf887fd667a556263077683f8be41b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}