{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104045",
    "entityType": "User",
    "nonce": "0x904651e33821a17fc0eb6ec8ae80c6e4720b21a91e6e61fc19d2d879723ffd69",
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    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}