{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x7da1375c8630616260cd5ab3e6ba0402457cf5000f15202a5a4d6d5fac77e73b",
    "signature": "0xa74f1e072f683effd0887ddb860a966fb94b0a0f8a7bd0b2de28ee8136ebdfb665b83621989bc8fb52104fc6d7f79f848cb9ea8ce4878b6291bdf346b4e848d31b",
    "signer": "0xe01caE69fe6cf2Ae69eAD7eCDA86c3924330E50A",
    "userId": "406984433"
  }
}