{
  "manageEntity": {
    "action": "Update",
    "entityId": "404329316",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc8235f04eed56b77d25bf05a8f4c153b9c1c0868067a0fcb317dcef3531b1902",
    "signature": "0x838c333d279d3304f32ed39f122bf96e34393d2211bc009226ef9121254391152f36c8cb0a8b3796b42eb4df40dc9fe22fb0e0258a4031d96286cd2adaa96f6a1b",
    "signer": "0xd156E497e2c5A5b65719fc966F08a67542d55c88",
    "userId": "404329316"
  }
}