{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7099",
    "entityType": "User",
    "nonce": "0x1c347a1240aee4c06aeea4e2f39f036f89a598be8bc9ac036963854ec8c26168",
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    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}