{
  "manageEntity": {
    "action": "Update",
    "entityId": "55079889",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdc536c5e1ef0255f59e11d015d69b913137511ecd192ecafea10cd55d5360301",
    "signature": "0xf2ff47d9cd5863c631f3463b7370a18e986ac3bcd36a615ceeb4c9fe337529aa290bb450b3e297e24dd104307773aef5c2822b4aaf8a7ba08cef71335bbfa6901b",
    "signer": "0x5D0372d2E54966695E3D7a02EF5228516b617eBa",
    "userId": "55079889"
  }
}