{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62800",
    "entityType": "User",
    "nonce": "0x4a4d2747a14e26c02ae74e4fa65d696a22ba9bb41fbf20a8ee85c111448a6814",
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    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}