{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "384121",
    "entityType": "User",
    "nonce": "0x061ffcdea933151d90ff1a3965a1ac3a97288d583b62b50ec52d1c1311673cd5",
    "signature": "0x42f48acb98d7af9b4d2ca537a06b145ee37cf737aee5919037850bc2a56c9fad324f2691eb69a67293b70eb1935e5e9829390e217ca535e48ec453326fc57a161b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}