{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0xdb5abd796d10627f8b87bc3abc76fde6f7cb8fd1b67590090a2baddff2a2e063",
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    "signer": "0xB94D096f052b51559298F0E8022085a429B93359",
    "userId": "998540305"
  }
}