{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x39a1939714ff173fb5fd09866cf14356e1b74918fa5ccd0f9b8d445015366ac2",
    "signature": "0x76b72ef7da60dcebbd68db2a801b4a8d4e7b1f2a975006cabd81345dc100b08368222f4190d376e6919c6106b7668b0300ff563b82f6ccde29aa26891a53fef01b",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}