{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "484365174",
    "entityType": "User",
    "nonce": "0xfc0c08cca03084930831d4b568c72f64a92ed5c3ddaafab3f2cb6275d566c52f",
    "signature": "0x2e514530c36c5c21ac11ab500ff50f848c74ff0349493b20aa34ecd4275216134a2b3e62d4ed5c814cff783eb42dcf6a015cf25240e439edb051450143fa9d0b1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}