{
  "manageEntity": {
    "action": "Update",
    "entityId": "920693804",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierasebu5wfsgt22q2s3wsngtvdnwsjnspiwv37hs5ofj2qivlp3qyoa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":941085582},{\"type\":\"playlist\",\"playlist_id\":459546029}]}}}",
    "nonce": "0x58310bb67e12f75a38f75be90cff72da656d50dfa624d99c201173ae07a51528",
    "signature": "0x2f425fad7b86d9d1f333747cf863268646f687637bc62788ce3fbd482070b48649a779006bbd03d31437674623d81081fe497e9a83832d7f77409f587fee68bf1b",
    "signer": "0x6A7681009B170d41A7816a1D53cb77Ce710c16D8",
    "userId": "920693804"
  }
}