{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "828368024",
    "entityType": "User",
    "nonce": "0xf6b253416ae58f02f2e472670fb531ad6a73d9d8ef93fc6c126dda367b772137",
    "signature": "0x2d2a77f13f7b16f9f6f660dfea164327393970dd9ea43b191bfe3011107bf5450b3e4b24c3e71512d4749bb41bd078abf96acd3f5d98a346ccb34c3f734662b41c",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}