{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106406",
    "entityType": "User",
    "nonce": "0xcc3d74942b621230f585ccef024dba128daef76652e60171d4bd1d5d4687c40d",
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    "signer": "0xB8c3568b782eb49a6ad099a677859E9c89ac409e",
    "userId": "428635"
  }
}