{
  "manageEntity": {
    "action": "Update",
    "entityId": "588313052",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9c8c38af9b1e2664f6c9997160befcd50fc5785df906d1da45b122a2a97ac1cc",
    "signature": "0x0fe41e867bc331106f7704c5b3f07ea3b2100833bc5738dfe6b9e3d507cd8fdf1b74ff36c95684963cd47914d5af0e1bcf36d14f8d755df6a04f729b71c6cdd11b",
    "signer": "0x250408DFA1F25f7116646f8C4128De4f4A543715",
    "userId": "588313052"
  }
}