{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683968586",
    "entityType": "User",
    "nonce": "0x568a7b315e8a967123e783d6ab2a9b17b3f0fbdb81da93c924c5f3106e67ce14",
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    "signer": "0xD71D6a61b797d5436c8d291306fd7DbCe6257Cc2",
    "userId": "117522"
  }
}