{
  "manageEntity": {
    "action": "Update",
    "entityId": "894431219",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierayp577hlstkxmzoruewkdvsw6bh52ijff4yozwjd7c4qklpnga4xq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1115425638},{\"type\":\"playlist\",\"playlist_id\":1770569423}]}}}",
    "nonce": "0x37156a5e392ac38f59f2027e6b4ec3350aec05b72c23275cdf5f249ff7ae7d14",
    "signature": "0x6311b6d48c05d65ae883b92f20af7b46f08cdc8399cba295933b0034bce052a44694bb252243c1fb3f24cf8e4253723368b02e7b14153603c18fdbd0d7a362451c",
    "signer": "0x7BecC80331FC470e72A8032bb2d07335c44AF1ad",
    "userId": "894431219"
  }
}