{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "284786",
    "entityType": "User",
    "nonce": "0x9411b51b3977b137ba741002c079c217955d462aec23c67a67c464e85483bf85",
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    "signer": "0xB63c8A7B935b55823f383e8f19B6207FB6b31168",
    "userId": "330374208"
  }
}