{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937233830",
    "entityType": "User",
    "nonce": "0x64829b2c53448e874f7dbf19488f57f0375147ef5d2fe2cac390f0fee22bbc7b",
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    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}