{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863286534",
    "entityType": "User",
    "nonce": "0x30c9feb4c600ac2430d0f2bc786d02bd0b644c8d1093b9efd5bc00c12f53e554",
    "signature": "0xf01703c2f09f2d4f013052ff624a618914c33446cacf2eba5e91629cf5f8cb7808d948c9e2d463140e287e248f2a2b4cefef90110c23ceba70e0ff3f62b6682c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}