{
  "manageEntity": {
    "action": "Update",
    "entityId": "58600206",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd6310e798fa4df2407d9c1600b2ddc9266f1e84a91249d31a1c442e16ea9472e",
    "signature": "0x6fb612d561df1f21e534ca56db98ba0dcc75c5d3a3e82d97c78fb6e6d685b4780d43494bc75c8dcbd5b51909ae9d8dab5aed8a315d5f02e16113b28a61911d211c",
    "signer": "0x7D89eD1c2C9744b86AE1D1301E8F342289D2f3cB",
    "userId": "58600206"
  }
}