{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "782362",
    "entityType": "User",
    "nonce": "0x76b55b806ca60275d407869454ff0e3f4ee1c6c52b58d1aacacef0d0e2b6a0b9",
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    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}