{
  "manageEntity": {
    "action": "Update",
    "entityId": "846970378",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbf60294a477ddc5710e76aa5478095fc700dabda03498f19fbd3a91bb7ebcfac",
    "signature": "0xe6c3a05f9c5d5b0742867f8d06e9e197dfeb31b949f886fff184c57b591ab5761fdf541629ef28ecf7213b99635b15a6273fcd390f10fa03550621ade9d05d351b",
    "signer": "0x1c85b94b9784cC3F05DA58684Da05551bCFe024d",
    "userId": "846970378"
  }
}