{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85748",
    "entityType": "User",
    "nonce": "0xf556eaa609a57b72e3c25e585a6a77d6175d0b5908bc21ff4a70b46e421cddcd",
    "signature": "0xff1d6c611239be3b1200755025fae095cd5260b7cd64bd2cf23d0d24adb2f7a10ca05c3a80038dcd7232ab54e8cb5d40b6f946e0ca380b04234f5c74f494798b1c",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}