{
  "manageEntity": {
    "action": "Update",
    "entityId": "130933316",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x225b3d1ccd7e98a03ea28b7a43aa91039b0833d275090a89fa2bc38d16cef056",
    "signature": "0x071ba615694194a96ab8a9c6e70d87cf063fc025ac00a5e4eb40a70241ac220424ed2c08afe239baf529faac4845615f95032e6e19f64d7c5f8477879358eeb41b",
    "signer": "0xAB59dfD0283396dDF719dba3e97651D6fFF20f15",
    "userId": "130933316"
  }
}