{
  "manageEntity": {
    "action": "Update",
    "entityId": "799013053",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4ad56cb6aba745882ca24bb8e28e567dbcb01472b5954bb16d238038c777e1d2",
    "signature": "0xe8cef3c1167d960a94205c6aa225121ed6023dffdfd7407a7db73f509a7884656929cec2442235ac0a2aa71ef8c7a3cc7b0a7f784dadc983d414f6b3b70f42081b",
    "signer": "0xfe766b536A94576f9505fA20c59ff92D8f72dAf3",
    "userId": "799013053"
  }
}