{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125858",
    "entityType": "User",
    "nonce": "0x4e99ad7fe26a3e8b8ce14d5861e4340bc4c233d7e3b69c67c4227cd24064885f",
    "signature": "0x3a847df83d5ba6a12ab5fe275ae7d7666ed5fb5d14136ca62f933a45b5c6c86115d0c57a50c85edcd25741542ff672ad7d58d4611548e03aebeffc392049caf81b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}