{
  "manageEntity": {
    "action": "Update",
    "entityId": "425430290",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraptrk5tr6acoa725bvzjuxi66lmv4ieudzcxixugidivaglsc6cuq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1692281936},{\"type\":\"playlist\",\"playlist_id\":1596900832},{\"type\":\"playlist\",\"playlist_id\":1732176183},{\"type\":\"playlist\",\"playlist_id\":1473878818}]}}}",
    "nonce": "0xeb871f3b3f716cd5a74b3a8f6d51dc1efa759b969240a08cbd7bf0daf699cfb8",
    "signature": "0x29a69b3e99dffec19429b000259522a520d7b8ac4c50ff73a7f3ce41954251be2c312ec73a8f556b95e6e3afa1df8cf0e48949fb35ee6a8f08c354563a5509d71b",
    "signer": "0xa34Ced4F52f585b36D7A5c2e45906594B875e6CD",
    "userId": "425430290"
  }
}