{
  "manageEntity": {
    "action": "Update",
    "entityId": "895912297",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0b203bcab7cfa77f93ca3842bf8a075fdfd45233112c82f42f0a51e225438d62",
    "signature": "0xf54449a70cee3cca49cf61a378fd7d8550c6ee0b5493b84da4ec7f8c3953010e515b1048e5707a6ac851f40ce6831900478dc30dee5910abe6f794c31e279d711b",
    "signer": "0x7d40ca2Be7a233Ea40af778abC2e4f8Afb03ec70",
    "userId": "895912297"
  }
}