{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "279223861",
    "entityType": "User",
    "nonce": "0x6f5193da6237aa0876ed7b6c14a40ef3566f237b2928771b26de36d2640072f1",
    "signature": "0x2edcc95c0b60f4c8670ed9827830b686e2aeb2762e40273f13b34ba05b70c05f416351a0bca5723f6c4805606349cd7b2200fb5d473aeda8e4d5192a64e3e03c1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}