{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "686897361",
    "entityType": "User",
    "nonce": "0xb917fff6ed67dcdef4e567cde9325c6a0ae69c50f5d592915f35a5235f1304c2",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}