{
  "manageEntity": {
    "action": "Update",
    "entityId": "28406951",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x484f79ca729b3d3b0e5aea3de0a8c1f3cd10707fbb5051f95b5007b45a084527",
    "signature": "0xe3a223daec60eb918f7d988f51271c79109522cc9a47163dae78df49f59bb42622a01107e90db7a871f7e855334e5040a632826e8bff0fb20109be245a4be55b1c",
    "signer": "0xBC607D243ad6E7a3aD451974f36DaB3e3B48fBdc",
    "userId": "28406951"
  }
}