{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "445231",
    "entityType": "User",
    "nonce": "0xcc61d43ee7de7863fb61f0097f169e63196715f1dbfa75d8a077f7a289c55cde",
    "signature": "0x60abed6c5301dd3c603c4a06917b2e93bb6527eb5b86af38cce56e1b38b4f5d82304423a05a2b722445c9ac4575215811534fdcc43fc11eb03cf9bf421f71b661c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}