{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2974",
    "entityType": "User",
    "nonce": "0xdfffccc7e6388918f075d11553dceddac15438d69fd050eb9da80c606a93d4da",
    "signature": "0x8d2ac31811044cb563800d649082a013ef63e79f5e277748c203d106c142577971cce9e1eb995dacee0282f6ce0602cca8b97cc3a156c8bf725f4ed570fe8ae11c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}