{
  "manageEntity": {
    "action": "Update",
    "entityId": "431881098",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe6b50b2bde6c5a5118f66980c62090a88fd1fce36b9e4c42e14a8f52f94b8b20",
    "signature": "0xf673c443e44e0b24a873b21391a49e26a96ba4856b7a6d3d336b836e333835416ae0c18cfbf678fe52685a75bc7b96c456a7a23d7736a13e91dbe751df084bc71b",
    "signer": "0xc3aB530bF94e132079deD2345017935048f7E31f",
    "userId": "431881098"
  }
}