{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72865",
    "entityType": "User",
    "nonce": "0x2635595d5b30bd18cc03db5839a4647f778d349d51c06d6bf091b5dd5833e1bc",
    "signature": "0x53932790ac1b460c1948778d2b328f4ebff4eabe459e1f0de99d5865e294ef302b41a9c8682ddf323ad77f0ec22e72ba9e5f15ccd921925b2b2c8c9038cba6481c",
    "signer": "0x8ED8606Ab8cF49801aEa2bf8fFD349E9c85bC6a0",
    "userId": "464330844"
  }
}