{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714565597",
    "entityType": "User",
    "nonce": "0xca78dcd6e9be19de6f35dc2521711eb0bcc2e2e105f53663db1c5601d28d603e",
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    "signer": "0xC24bF1b9beef42229F5912045FCb2DBccb0C68FA",
    "userId": "129733318"
  }
}