{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0xdbaa799ff8264b7e397b67272547c2d9566e41da2be13b6dc825cf286e4a64d9",
    "signature": "0x945e72f6649f14b67cee5e5cac00d899d92cea15f8f4747df4f681e640af8f0033121b7c21d1a10d771c42f0d5d45663440ab6dce321eec381a8b55ecf9392c81b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}