{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105562689",
    "entityType": "User",
    "nonce": "0xeb412768691be4c31a4bd409fff52b61d2bbc82ee89ca615e56219f62d4e27c1",
    "signature": "0xed79abe4710109dacc3c55eec42e7e38292122c0b2c7c61aad2d2fbcc5bd87cf3b2b27eba82e06bd06a49783169c06470a57e4c0cbda7b314db7e22a6a80b4041c",
    "signer": "0xad1E2A70fa1227797344FD6df31327a26552461a",
    "userId": "153162"
  }
}