{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1644335",
    "entityType": "User",
    "nonce": "0x31ab5a69d905b730e4055624897efae383595ecd4e94d33063fa6994bd6b6a7b",
    "signature": "0xb761705c377caf8dcf88cc74e17537dc2940a68534faa0fb79363d3fb07e14752dadd084141e4701a156c5d0759a83cf8342bc639bad913c6cb09446ba8a346d1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}