{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33896318",
    "entityType": "User",
    "nonce": "0x446ca56e5170e4e039dce8a435bf732924c9a65245b40a61d31947b19ca2b67f",
    "signature": "0x712b3b40c0a08fe0bdcb21124f381a89d8a901cdf9212002771259e4104fb5ab7c36b0e09c5098cfbcca4f87fc4cb9e3007a4c11b3e43a7967cc38b50cff15741c",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}