{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335392",
    "entityType": "User",
    "nonce": "0x6b7c7a0ba00b9027a5b2001f54d8d987dac820999a39f9c2602ee9bdcafbb467",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}