{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217533",
    "entityType": "User",
    "nonce": "0x2d4c15985aaca17391469aab5750c8c55999512a2e269c03cf7b4710781a8423",
    "signature": "0x7ba9a7fb4a44bbed33e7bf6aece83949c37e3ebde9fa04cd0b088eb2314b4f1c7932016948b2fe147cf6cdbd8a3f2ab64d745d8321974ce70d92a87fce085a1b1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}