{
  "manageEntity": {
    "action": "Update",
    "entityId": "197159436",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xebd113d449cc1c57c65c737d57c868c39e1a8cadd8a85fcf529fbe67acb11c10",
    "signature": "0x5d9ecf3c112431f66a6894d99a1aec8ac81fbbae3065778592256cab4365c8f65c322686d9cab6700229dea790fc69b68d6808a4f9c91d379005a1493b208a981b",
    "signer": "0x996332682B8111bFf60d77f17304ce0311Ef3e85",
    "userId": "197159436"
  }
}