{
  "manageEntity": {
    "action": "Update",
    "entityId": "560719922",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x58f528a95e0345b7fdadbb14df8362cadcd2d28de2baa5286fe2dec17c5a584b",
    "signature": "0xd186f2b9abc348087bed3048e01d29c594f022abab2f5307f9d8355c05ddf7354919d03362abdd08631e1b50c27380cdd65643225139f664756cca34e117d7e51b",
    "signer": "0xedC29E435b9BD7383Ba5e9eB837210081aD4b55f",
    "userId": "560719922"
  }
}