{
  "manageEntity": {
    "action": "Update",
    "entityId": "232751716",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x49946f93e5318ae4b617d5704fbce0f74b9063188cdb9822789c47a3305f8b11",
    "signature": "0xb46cd33774b9ea5b0bf30df2a5e79d5df57efe60599266d4c0c6d9f6005a9bae153493a46ebed7a61a6bb4d1b2c3725b47c41a3b91ef5f35774c78b61e83a8b41c",
    "signer": "0x6f9fBaf29f887C08139123eD56e25f9f56940992",
    "userId": "232751716"
  }
}