{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383103",
    "entityType": "User",
    "nonce": "0x2c87d2dc3a42a8fc54e6bc8a6d283ea3f20627ea87b746fa42a8411929bd21c9",
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    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}