{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83642",
    "entityType": "User",
    "nonce": "0x7f4e944fc9a6c3a0d9f3d212a665848b03750450131081b94701ad4fa69dece1",
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    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}