{
  "manageEntity": {
    "action": "Update",
    "entityId": "627062325",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xaa087f69f0692aae0b69e458b0ae296f9dc2705aaabc134753369689b2656478",
    "signature": "0x4e1d927c9c4158ce4c4645bf910e96e6eeb4630bd2c4f48a93039f4b2bd82490298216209aa5fbebdcf8b367f9749cc4e42df399823c9a54a36d68b9e0ecdf531b",
    "signer": "0x2044d6fdC3EC44a2f1f5Be85ac07F07FeAA98A55",
    "userId": "627062325"
  }
}