{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "728096338",
    "entityType": "User",
    "nonce": "0xe73afb06003285f14c8b57d2e6a7911f6cfb04d6db4d1f9356e6f31fde71031a",
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    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}