{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "935959282",
    "entityType": "User",
    "nonce": "0x12202aa5c36ed5ec5715fd212fd372f844629402ec4a76ed9be77946fdee0de9",
    "signature": "0xc776f399c373d726cadbde8f5eaa77da4e24edd3e7d04528723a71aa78071ca82674248702596bdd7830b1fadc2230123086849af9444bf12b5eab003f6982d61b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}