{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "362385",
    "entityType": "User",
    "nonce": "0x60b4db9a2d7327a04289b15bc169f194741afaf2fffa1da02b8e84b2ffcb5b8a",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}