{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xf483ed8b2ab9b3f08582a95288dc7208dde1bf9533f95c4838d445283ce8c56c",
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    "signer": "0xD3477a5D42f26D7d97a9Ed213CF35Eb998C7b687",
    "userId": "737351944"
  }
}