{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "372904",
    "entityType": "User",
    "nonce": "0xbeb20e3f2c938e8b331987dc9fcf162db3b906ce5b99aee6460b2644f36c84d1",
    "signature": "0xca83e7c9787b65d371480ef9ff30685d8c841816a6a0686f076c3ff9f0d3f6d331769d9c5c85e0cef3d62e05875a6c362504754c9984ca80542f40605b72781d1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}