{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141285",
    "entityType": "User",
    "nonce": "0xa41f950be93a1a6ae246ab99a223285afad31a9e99fd11514ed566712bf4a3ed",
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    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}