{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1037252",
    "entityType": "User",
    "nonce": "0x9e2a899f72d3b9c66cd8631c071a1a95667d066f2327a729d7e64cf9f4d7baea",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}