{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbec26ad235680b9ad87b71a04de4a532846593bffa9a85730b86a56f614758e6",
    "signature": "0x96c8b6fb1770d6d59a21ef4265c59dbe5dcdbdef41fa2ba5491b3c1d0bdbc2485ada2e3536aafe102b734f0cbce20ee505d0ef0701ac052e2d95429975b9f3d21b",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}