{
  "manageEntity": {
    "action": "Update",
    "entityId": "718637748",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierah2fxxaafh3hwtc5tgqipmmnbawvwgjl4jbsykoemcpqg3dweohua\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1818165763}]}}}",
    "nonce": "0x14694a4791547b7e689d5b4dac2cba742020f665cab7cd85e847851e59431b2b",
    "signature": "0x9e0bdaf795326d3c85b6ab7dd890ec18527760f6d7f66bf40b22dfd72fef4f8449c9b5528798e3bb33a158f52a6b0926590ab4ac1da5e0fceac317f1b76a047a1c",
    "signer": "0x65E206f484415ee5E20E9B8da531F689983C6e36",
    "userId": "718637748"
  }
}