{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73130",
    "entityType": "User",
    "nonce": "0x55c5d05e87a2035179a12b457f9f94bddf140f20f2ebfc9ce9f4fcff118c2e23",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}