{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x22de2b29c109a5e6ca9662750178220055ebe5b6a507b9759362fa46cc5e78ba",
    "signature": "0xda56a7c4865d699bcd89ef2fe17fdc935aff38511d3bef4a184afe19512451056ea7f440d21b272bba85e467e7b2d7687450e213f08ec6e0a80306db7ea9997a1c",
    "signer": "0xf399Ef3A18BD7C0De206619229371a9f28c8D86b",
    "userId": "900416093"
  }
}