{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58719",
    "entityType": "User",
    "nonce": "0xbcd6a94e7ada377d5ae01a9c32cc3e8934c033d7fccf256ce135b696cba155b1",
    "signature": "0x9993c28f6d02b6108cbc1ee5699c480de753d6df9b9c431b3202b3becc46892661e373f411459daeeab7e02d51b09e4f5247ab66b9f6a3dc7e4e115a574c73cf1c",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}