{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951966459",
    "entityType": "User",
    "nonce": "0xe35a7f1b9dbf98a5b342c9a6b8290bdc9d3beef9aeaaadf67e0c3d5d83e0f371",
    "signature": "0xc3075c957c0c1983a50cba96219669e90f1cce4542f28da4f3aa10647c9700624023600485b671ae0d9d4dd1d00e095e241a3713aec20a903bb7bb6c0a64b00f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}