{
  "manageEntity": {
    "action": "Update",
    "entityId": "860699447",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xaf3534fb7631433801ba40180f3d3635671e74fa08fa52a8c89ee2c8b4c07b57",
    "signature": "0xb1aca559a9b7973627f919b5e9a072f64b1a4457703565a7e06e4b8ae626a8d50ac511bf187cbd3b1adbe79a42e8e0ef487b7139736eeb7b0580440c89902ecc1b",
    "signer": "0xb52E8FcE6ECCedf0147ce1d916621AB9fdA52bEB",
    "userId": "860699447"
  }
}