{
  "manageEntity": {
    "action": "Update",
    "entityId": "705439587",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x644aff579fe266cbb4dbd7702f4c087157840105c6d79c9b496cc07007657fc4",
    "signature": "0xeeef46f734b2124c3b508b2601c23e6e8ea2e00ea4c202e0f7de61f04b237de26a9771c4fb0579c2fad5ffbe88106566e243e8e019f3ba30f4641e3de13d9a961c",
    "signer": "0x5FEA9900beFE30C9C2aD8Fd319B2A4E9A24d8a71",
    "userId": "705439587"
  }
}