{
  "manageEntity": {
    "action": "Update",
    "entityId": "726370089",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9fd20dd5ea918ac84325c42f16f1fa15658c80b4b8d32e84f95a44e34cd23a5a",
    "signature": "0xdc1b57bffe6f139c6108bc1d91a643a1a52327559a464d6e1e9d550a6fd01d921e4c061e8d478ac7243f5a15139ef48ee9485870380a6d5a6cccc398bca404ee1b",
    "signer": "0x6ea8694856fA45156062Ad67f1D1739b4E41A741",
    "userId": "726370089"
  }
}