{
  "manageEntity": {
    "action": "Update",
    "entityId": "366246970",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcc298d31f139f01d3bbbddbde53176a57bd7c6a51c96b91bba20846c911fa03c",
    "signature": "0xe2ec05192a4f6875d2458839c02bf9cdac8bfc709342a758036fa21f64b1a1fb7c4d09dd964ae4d6205f716b4c981bf7839ee5b8b9f3c0921afc9f8e727e698b1b",
    "signer": "0x1Dd8e503eA52eE0cE5360d0F01B587662d27d935",
    "userId": "366246970"
  }
}