{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1264539",
    "entityType": "User",
    "nonce": "0x516eb53339c4ba0bacc7bad250a8dbb96d8bcd1d6c34618dfa652a515bb8ef59",
    "signature": "0xf30f1000e95b8616d5751cdd73b9079ff35545cccbfbc838e139952521208dcd5db2cc8d51b5bfcfd2ec5a8197be91f82bd3786bdf7ed283acf36f05160f63b01b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}