{
  "manageEntity": {
    "action": "Subscribe",
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    "entityType": "User",
    "nonce": "0x06f0eb47db180f49d054253284e2e5bba497ad27a39fb8dfef804e0ff90e1b3d",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
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}