{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283478",
    "entityType": "User",
    "nonce": "0xbdbee475021ff712c2b5f01d32b384bcff6d0728b5c10cfdb0e0b247405ef4b3",
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    "signer": "0xCc67E91B413f58ae6501a26D8361999Be8558Fc2",
    "userId": "114193020"
  }
}