{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102225",
    "entityType": "User",
    "nonce": "0x6920427eb116b4a184de0fd1871d6168110282c3db7d28e9a25dc5fb0789b606",
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    "signer": "0xB0cCb7cc48b50141620Bc275286fcFb267B393a9",
    "userId": "878527718"
  }
}