{
  "manageEntity": {
    "action": "Update",
    "entityId": "160980228",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd83a3915b906d99a934b49327b2a30bb5bac477289645b4d41ecf453cd9eff7a",
    "signature": "0x2740877860b7371aa5b0df986e5fffb4b274640821d51bf38a7c4e914122b7b12894ce9f830a4d52391622dc7b18e4a6a807f3cb7b123fcb627640cfc0e999551b",
    "signer": "0x606b56d2c855D80E11C28880Ce642ee013323eAe",
    "userId": "160980228"
  }
}