{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "606255392",
    "entityType": "User",
    "nonce": "0x14cdfa59ac29ac5f1e74376de4148bcfbccafe97a8d3c97c75883f0f58789833",
    "signature": "0xc6ae081b3927967db95daf9330c9a8f793c33893b476937a258e2d35fd38faa1202d155719a6e17333d3e8759d9022cc9875a2efcfb72755bb13d5237c27a2021c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}