{
  "manageEntity": {
    "action": "Update",
    "entityId": "413550021",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x190d70ef83ee7a7305d9a7b98beb6c2be8658b12739c78a1f8107e4f653d8cf0",
    "signature": "0xdf99f61e0d1748b1bb829dd8eecf476d829b9b4826fe798dbc429ce1662a4ec274d4a9d0c06789a437ff6c6268ee5f16fc2d434e9e8d279fbee69e0b01471a501c",
    "signer": "0x62d29604d8672A4CB15798660456f269B69c37ee",
    "userId": "413550021"
  }
}