{
  "manageEntity": {
    "action": "Update",
    "entityId": "980941",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierapffx2cgk3htoh2wkb5tbuyv7hnywl35scxyinkxznicyoqp67o4q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1683845443},{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":53481},{\"type\":\"playlist\",\"playlist_id\":142975}]}}}",
    "nonce": "0x0a665ecd7ddf4056860420102c3601ca33ed3039f95b2fd20f60bd48e88577f4",
    "signature": "0xf21c0c3bb8adf941ac41587f6b4ab468cd0a9d353248ec6f8b88eb33e235ac3724df2b266f0a9fab5254332012aeb456a3b8a4ee52c5039f6940a6c88736288b1b",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}