{
  "manageEntity": {
    "action": "Update",
    "entityId": "901122144",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xb09f8f755976a974c3517299a5a99f64498bd4e41ce3c0c770eb3f8ddca5554b",
    "signature": "0x73c002173d768438fd15444c5bbc487284ffda96e44f45ee5d25d8831c5c653623aa959d85db1461d5a3e26564bb510418a6ecb822ea7be2315bfe8858e3dcbf1c",
    "signer": "0xCEE883d0cC7C90bE040Af1f13E5485579E32cb68",
    "userId": "901122144"
  }
}