{
  "manageEntity": {
    "action": "Update",
    "entityId": "699037080",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7700e35450d7fcc012efea7b3d5eed5784cff3a39bfa5a54c3fa5a4886d6228c",
    "signature": "0xa5b196d4df8473bf06c54df4374862515f5758fb67216ba5d9c2f5e758a016f248c7bff8cbcf76866f0c39abba358336546ccc06648e26759fb58f47232dde4e1c",
    "signer": "0xAfDb4A2d4Aa9040087dadeDA27AB759e9133C3bE",
    "userId": "699037080"
  }
}