{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "610823165",
    "entityType": "User",
    "nonce": "0xf7c12b1c43b45ea010de3b9250dbfd936c60347d9351d39a367a1e134f469b46",
    "signature": "0x1e1c12b258151a3586c939da47464b8d3372aac4ce4a42fc3413814065d48e891d6c37534cc76596ae7d78fc62853b1ab2eaa8cb8ec001140e69e1f5a6649eeb1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}